Barcode scanner



1.1 is a top front perspective view of a barcode scanner showing the new design;

1.2 is a top view thereof;

1.3 is a rear view thereof;

1.4 is a top front view thereof; and

1.5 is a bottom view thereof.

The broken lines in the drawings depict portions of the barcode scanner that form no part of the claimed design. 

CLAIM The ornamental design for a barcode scanner, as shown and described. 